O3 Partners

Profile

O3 Partners is a listed investment platform based in Rotterdam, The Netherlands, bringing together leading private-market fund managers across Europe. Founded on the expertise of Péter Oszkó, a former finance minister of Hungary and founder of OXO Holding, the firm leverages the diverse background of its team. Key figures include Andrea Novák, the Head of Fund Operations, and Róbert Héjja, a seasoned investment professional. O3 Partners focuses on providing public-market investors with diversified access to venture capital, private equity, and growth capital, making it distinct in its approach to integrating regional expertise with a pan-European perspective.

O3 Partners targets investments in sectors including Technology, Fintech, HealthTech, Energy, and Transportation. Their check sizes vary, primarily engaging in funding rounds from Series A upwards through late-stage investments. The fund operates primarily across Europe, with particular emphasis on Central and Eastern Europe. The capital invested to date and available for investment across the group is about EUR 550 million, with significant involvement from LPs such as the European Investment Fund.

Notable investments include Catalyst NXT Ventures focusing on late-seed and growth-stage companies in Romania, 3TS Capital dealing in Series A and B technology investments, and OXO Labs which supports early-stage startups in Central and Eastern Europe. These activities highlight O3 Partners' commitment to helping businesses expand beyond local constraints into broader European markets.